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zipcodes.pro — ZIP/20837

20837

ZIP 20837 is Poolesville, Maryland, in Montgomery County; area codes 240 and 301; Eastern time.

Type
Standard
Time zone
America/New_York
County
Montgomery
Population
6,699
Coordinates
39.1165, -77.4071
☼ Live from 20837 — Poolesville, MD

Weather right now

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NEXRAD radar
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Local time: —

Where 20837 is

Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.

★ Weird and wonderful facts about 20837
  • 🔢 Type 20837 into a pocket calculator and turn it upside down: LEBOZ — not quite a word, sorry.
  • ➕ As a number, 20,837 = 67 × 311. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101000101100101
  • 🏠 Its numerical neighbours: 20833 (Brookeville, MD, 20 mi away) and 20838 (Barnesville, MD, 8 mi away).
  • 🔄 Backwards, 20837 becomes 73802 — and that is a real ZIP code: Woodward, OK, 1,205 miles away.
  • 👥 61 other ZIP codes are made of exactly the same digits (02738, 02783, 02837, 02873, 03278, 03287, …). The farthest-flung twin is 83720 in Boise, ID, 2,017 miles away.
  • 🧭 Farther north than 50% of all ZIP codes, and farther east than 80%.
  • 🎯1,128 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 20837 and you would come out at 39.12°S, 102.59°E — 894 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 55m of daylight. Shortest: 9h 25m.
  • 📏 At 40.3 square miles of land, 20837 is bigger than 54% of ZIP codes — room for about 31 Central Parks.
🌙 The sky over 20837 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population6,699This ZIP6,699
Households2,366This ZIP2,366
Housing units2,422This ZIP2,422
Median age45.9This ZIP45.9Maryland39.4US 38.9
Median household income$174,063This ZIP$174,063Maryland$103,678US $80,734
Median home value$772,300This ZIP$772,300Maryland$419,900US $332,700
Median gross rent$1,996This ZIP$1,996Maryland$1,705US $1,413
Bachelor's degree or higher57.1%This ZIP57.1%
Mean commute38.3 minThis ZIP38.3 min
Population density166.3 / sq miThis ZIP166.3 / sq mi

Business and tax activity

Business establishments121This ZIP121
Employees1,084This ZIP1,084
Annual payroll$53,857,000This ZIP$53,857,000
Tax returns filed3,330This ZIP3,330
Total adjusted gross income$469,653,000This ZIP$469,653,000

Land area

Land area40.28 sq miThis ZIP40.28 sq mi
Water area3.06 sq miThis ZIP3.06 sq mi

Other place names in 20837

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 20837

ZIPCityDistance
20165 Sterling, VA 4.2 mi
20839 Beallsville, MD 4.7 mi
20874 Germantown, MD 5.8 mi
20842 Dickerson, MD 5.8 mi
20841 Boyds, MD 6.4 mi
20147 Ashburn, VA 6.4 mi
20149 Ashburn, VA 6.6 mi
20164 Sterling, VA 7.3 mi
20189 Dulles, VA 7.7 mi
20838 Barnesville, MD 7.7 mi

Find every ZIP code within 10 miles of 20837 →

Questions about this ZIP code

Where is ZIP code 20837?

20837 is in Poolesville, Maryland, in Montgomery County, part of the Washington-Arlington-Alexandria, DC-VA-MD-WV metropolitan area. Its published point location is 39.1165, -77.4071.

What county is 20837 in?

20837 lies in Montgomery County.

What area code is 20837?

Poolesville uses area codes 240 and 301, from NANPA's telephone records.

What time zone is 20837 in?

20837 uses America/New_York.

How many people live in 20837?

About 6,699 people live in ZIP code 20837, in 2,366 households, at 166.3 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What is the median household income in 20837?

$174,063 a year, against $103,678 across Maryland.

What ZIP codes are near 20837?

The closest are 20165 (4.2 mi), 20839 (4.7 mi), 20874 (5.8 mi), 20842 (5.8 mi) and 20841 (6.4 mi).

Is 20837 a PO Box ZIP code?

20837 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “20837 ZIP Code — Poolesville, Maryland (Montgomery County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/20837

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